Home / 99,546.86-137,364.68-61,300.28

Finding the Fourth Proportional to 99,546.86, 137,364.68 and 61,300.28

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Solution

The fourth proportional to 99,546.86, 137,364.68 and 61,300.28 is: 84,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.86 : 137,364.68 = 61,300.28 : x
  2. Step 2: Convert to fraction form
    99,546.86/137,364.68 = 61,300.28/x
  3. Step 3: Cross multiply
    99,546.86x = 137,364.68 × 61,300.28
  4. Step 4: Simplify right side
    99,546.86x = 8,420,493,346.11
  5. Step 5: Solve for x
    x = 8,420,493,346.11/99,546.86
  6. Step 6: Final answer
    x = 84,588.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.